This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

The very first subway station in New York City is beautiful, decked out in chandeliers, and ... abandoned?

This New Orleans tree is filled with hidden chimes that produce a carefully tuned melody.

A snapshot of the city's fascinating voodoo culture.

The 7,000-foot finish line of America’s first Olympic Trials marathon.

The former home of the "Manassa Mauler" is now a museum dedicated to his legendary boxing career.

This shrine is an ode to the region's rich Hispanic heritage.

A short but powerful waterfall resides amid Colorado’s Great Sand Dunes.

A mural of the Virgin of Guadalupe painted on the rock wall by canyon's religious namesake.

A focal point of in Denver’s skyline for over a century, inspired by a Venetian basilica.

This 19th century jail was mainly used to incarcerate the drunk and disorderly.

An eclectic collection of artifacts from the Wild West is preserved in a remote fictional pioneer town.

An antique narrow gauge railway line still running through the Colorado and New Mexico mountains.

The site of the "Bone Wars" between two rival paleontologists during the dinosaur rush of the 19th century.

This razorback ridgeline has doubled as a scenic drive since the early 1900s.

The scene of one of the darkest moments in American labor history has been left essentially untouched since the tragedy.

One woman's UFO-themed campground, complete with self-built energy vortexes, UFO-themed weddings, and magic bushes.

This super steep hike ascends 2,000 feet in less than a mile.

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

The highest bridge in America was built for an almost unnervingly small amount of money.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."